/* ============================================================
   MEDIATOBOOK — Folha de estilo (versão completa)
   Paleta: azul + branco editorial | Flexbox + Grid | Sem frameworks
============================================================ */

:root {
  --azul:         #3b8fd4;
  --azul-escuro:  #2f73aa;
  --azul-tinta:   #1d4d75;   /* azul profundo para fundos */
  --grafite:      #1f242a;
  --tinta:        #1a1f25;
  --corpo:        #4a5158;
  --corpo-suave:  #6b7178;
  --branco:       #ffffff;
  --gelo:         #f5f7f9;
  --gelo-2:       #eef2f5;
  --linha:        #e1e6eb;
  --verde-wpp:    #25d366;

  --fonte-titulo: 'Playfair Display', Georgia, serif;
  --fonte-corpo:  'Inter', system-ui, sans-serif;

  --largura-max:  1180px;
  --raio:         14px;
  --transicao:    .28s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--fonte-corpo);
  color: var(--corpo);
  background: var(--branco);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

.container { width: 100%; max-width: var(--largura-max); margin: 0 auto; padding: 0 28px; }

/* ===== Reveal no scroll ===== */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   HEADER
============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--linha);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 78px; }
.brand { font-size: 1.45rem; font-weight: 700; letter-spacing: -.01em; color: var(--tinta); }
.brand.light { color: #fff; }
.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav a {
  font-size: .82rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
  color: var(--corpo); position: relative; padding: 4px 0; transition: color var(--transicao);
}
.main-nav a:not(.nav-cta)::after {
  content: ""; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px;
  background: var(--azul); transition: width var(--transicao);
}
.main-nav a:hover { color: var(--azul); }
.main-nav a:not(.nav-cta):hover::after { width: 100%; }
.nav-cta {
  background: var(--azul); color: #fff !important; padding: 9px 18px; border-radius: 7px;
  transition: background var(--transicao);
}
.nav-cta:hover { background: var(--azul-escuro); }
.nav-toggle, .nav-burger { display: none; }

/* ============================================================
   HERO
============================================================ */
.hero { padding: 80px 0 90px; background:
  radial-gradient(circle at 78% 30%, rgba(59,143,212,.10), transparent 50%), var(--branco); }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 48px; }
.hero-eyebrow {
  font-size: .8rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--azul); font-weight: 700; margin-bottom: 20px;
}
.hero-title {
  font-family: var(--fonte-titulo); font-weight: 600;
  font-size: clamp(2.3rem, 4.6vw, 3.8rem); line-height: 1.1; color: var(--tinta); margin-bottom: 24px;
}
.hero-title em { font-style: italic; color: var(--azul); }
.hero-subtitle { font-size: clamp(1.05rem, 1.6vw, 1.22rem); color: var(--corpo); max-width: 540px; margin-bottom: 34px; }
.hero-content.center .hero-subtitle { margin-left: auto; margin-right: auto; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-bottom: 22px; }
.hero-trust { font-size: .9rem; color: var(--corpo-suave); }

/* Botões */
.btn-cta {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--azul); color: #fff; font-weight: 600; font-size: 1rem;
  padding: 15px 32px; border-radius: 9px;
  box-shadow: 0 12px 24px -12px rgba(59,143,212,.85);
  transition: transform var(--transicao), background var(--transicao), box-shadow var(--transicao);
}
.btn-cta:hover { background: var(--azul-escuro); transform: translateY(-3px); box-shadow: 0 18px 30px -14px rgba(47,115,170,.9); }
.btn-cta.light { background: #fff; color: var(--azul-tinta); box-shadow: 0 12px 28px -14px rgba(0,0,0,.5); }
.btn-cta.light:hover { background: var(--gelo); }
.btn-cta.whatsapp { background: var(--verde-wpp); box-shadow: 0 12px 24px -12px rgba(37,211,102,.8); }
.btn-cta.whatsapp:hover { background: #1eb858; }
.btn-ghost {
  display: inline-flex; align-items: center; font-weight: 600; font-size: 1rem;
  color: var(--azul); transition: color var(--transicao), transform var(--transicao);
}
.btn-ghost:hover { color: var(--azul-escuro); transform: translateX(3px); }
.btn-ghost.dark { color: var(--tinta); }
.btn-ghost.dark:hover { color: var(--azul); }

/* Mockup de livro em CSS */
.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; min-height: 420px; }
.book {
  position: relative; width: 280px; height: 380px;
  transform: perspective(1400px) rotateY(-22deg) rotateX(4deg);
  transition: transform .6s ease;
}
.hero-visual:hover .book { transform: perspective(1400px) rotateY(-12deg) rotateX(2deg); }
.book-cover {
  position: relative; z-index: 2; width: 100%; height: 100%;
  background: linear-gradient(150deg, #2f73aa, #1d4d75 70%);
  border-radius: 4px 8px 8px 4px;
  box-shadow: 0 30px 60px -20px rgba(29,77,117,.65), inset 6px 0 14px rgba(0,0,0,.25);
  padding: 44px 34px; display: flex; flex-direction: column; color: #fff;
}
.book-kicker { font-size: .7rem; letter-spacing: .25em; color: rgba(255,255,255,.7); }
.book-title { font-family: var(--fonte-titulo); font-size: 2.5rem; line-height: 1.05; margin-top: auto; }
.book-author { margin-top: 18px; font-size: .78rem; letter-spacing: .18em; color: rgba(255,255,255,.85); }
.book-spine {
  position: absolute; z-index: 1; top: 6px; left: -14px; width: 22px; height: calc(100% - 12px);
  background: #163a59; border-radius: 4px 0 0 4px; transform: rotateY(40deg);
}
.hero-visual-glow {
  position: absolute; z-index: 0; width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(59,143,212,.22), transparent 65%); border-radius: 50%;
}

/* ============================================================
   FAIXA DE LOGOS
============================================================ */
.logos-strip { background: var(--gelo); border-top: 1px solid var(--linha); border-bottom: 1px solid var(--linha); padding: 38px 0; }
.logos-label { text-align: center; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--corpo-suave); margin-bottom: 22px; }
.logos-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 18px 48px; }
.logo-item {
  display: inline-block;
  font-weight: 700; letter-spacing: .06em; color: #aeb8c0; font-size: 1.05rem;
  transition: color var(--transicao), transform var(--transicao);
}
.logo-item:hover { color: var(--azul); transform: scale(1.08); }

/* ============================================================
   Cabeçalho de seção
============================================================ */
.section-head { margin-bottom: 56px; max-width: 640px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-eyebrow { font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; color: var(--azul); font-weight: 700; margin-bottom: 14px; }
.section-title { font-family: var(--fonte-titulo); font-weight: 600; font-size: clamp(1.9rem, 3.6vw, 2.85rem); line-height: 1.15; color: var(--tinta); }

/* ============================================================
   COMO FUNCIONA
============================================================ */
.process-section { padding: 100px 0; }
.steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; counter-reset: step; }
.step { position: relative; padding: 34px 26px; background: var(--gelo); border: 1px solid var(--linha); border-radius: var(--raio); }
.step-num { font-family: var(--fonte-titulo); font-size: 2.4rem; color: var(--azul); opacity: .35; display: block; margin-bottom: 10px; }
.step-title { font-size: 1.2rem; color: var(--tinta); margin-bottom: 8px; }
.step-text { font-size: .96rem; color: var(--corpo-suave); }

/* ============================================================
   CARDS
============================================================ */
.cards-section { background: var(--gelo); padding: 96px 0; border-top: 1px solid var(--linha); border-bottom: 1px solid var(--linha); }
.cards-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; max-width: 920px; margin: 0 auto; }
.card { background: var(--branco); border: 1px solid var(--linha); border-radius: var(--raio); padding: 42px 34px; transition: transform var(--transicao), box-shadow var(--transicao), border-color var(--transicao); }
.card:hover { transform: translateY(-6px); border-color: var(--azul); box-shadow: 0 22px 40px -24px rgba(31,36,42,.35); }
.card-icon { width: 60px; height: 60px; display: flex; align-items: center; justify-content: center; background: rgba(59,143,212,.12); border-radius: 14px; color: var(--azul); margin-bottom: 26px; }
.card-icon svg { width: 30px; height: 30px; }
.card-title { font-family: var(--fonte-titulo); font-weight: 600; font-size: 1.45rem; color: var(--tinta); margin-bottom: 14px; }
.card-text { font-size: 1rem; color: var(--corpo-suave); }

/* ============================================================
   SOBRE
============================================================ */
.about-section { padding: 100px 0; }
.about-inner { max-width: 760px; }
.about-text { font-size: 1.2rem; color: var(--corpo-suave); margin-top: 28px; }

/* ============================================================
   DEPOIMENTOS
============================================================ */
.testimonials-section { padding: 100px 0; background: var(--gelo-2); }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.testimonial { background: #fff; border: 1px solid var(--linha); border-radius: var(--raio); padding: 34px 30px; box-shadow: 0 18px 40px -30px rgba(31,36,42,.4); }
.testimonial blockquote { font-family: var(--fonte-titulo); font-size: 1.12rem; line-height: 1.5; color: var(--tinta); margin-bottom: 22px; }
.testimonial figcaption { display: flex; flex-direction: column; }
.testimonial figcaption strong { color: var(--tinta); }
.testimonial figcaption span { font-size: .88rem; color: var(--corpo-suave); }

/* ============================================================
   CTA BAND
============================================================ */
.cta-band { background: linear-gradient(135deg, var(--azul-tinta), #14334e); color: #fff; padding: 84px 0; text-align: center; }
.cta-band-inner { max-width: 720px; margin: 0 auto; }
.cta-band-title { font-family: var(--fonte-titulo); font-weight: 600; font-size: clamp(1.7rem, 3.4vw, 2.5rem); line-height: 1.2; margin-bottom: 16px; }
.cta-band-text { font-size: 1.15rem; color: rgba(255,255,255,.85); margin-bottom: 34px; }

/* ============================================================
   FAQ
============================================================ */
.faq-section { padding: 100px 0; }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--linha); padding: 6px 0; }
.faq-item summary {
  cursor: pointer; list-style: none; padding: 22px 4px; font-size: 1.1rem; font-weight: 600;
  color: var(--tinta); display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.5rem; color: var(--azul); font-weight: 400; transition: transform var(--transicao); }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding: 0 4px 24px; color: var(--corpo-suave); font-size: 1.02rem; max-width: 92%; }
.faq-item p a { color: var(--azul); font-weight: 600; text-decoration: underline; }

/* ============================================================
   CONTATO
============================================================ */
.contact-section { padding: 100px 0; background: var(--gelo); border-top: 1px solid var(--linha); text-align: center; }
.contact-inner { max-width: 680px; margin: 0 auto; }
.contact-text { font-size: 1.18rem; color: var(--corpo-suave); margin: 18px 0 36px; }
.contact-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }

/* ============================================================
   FOOTER
============================================================ */
.site-footer { background: var(--grafite); color: #e7eaed; padding: 54px 0 26px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding-bottom: 30px; border-bottom: 1px solid rgba(255,255,255,.1); flex-wrap: wrap; /* Evita que os elementos se esmaguem em notebooks de tela menor */ }
.footer-tagline { font-size: .95rem; color: rgba(231,234,237,.6); margin-top: 8px; max-width: 480px; }
.footer-social { display: flex; gap: 14px; }
.footer-social a { width: 42px; height: 42px; display: flex; align-items: center; justify-content: center; border: 1px solid rgba(231,234,237,.22); border-radius: 50%; color: #fff; transition: background var(--transicao), border-color var(--transicao), transform var(--transicao); }
.footer-social a svg { width: 19px; height: 19px; }
.footer-social a:hover { background: var(--azul); border-color: var(--azul); transform: translateY(-3px); }
.footer-bottom { padding-top: 22px; }
.footer-copy { font-size: .9rem; color: rgba(231,234,237,.55); }

/* ============================================================
   RESPONSIVIDADE
============================================================ */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 56px; }
  .hero-visual { order: -1; min-height: 340px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .cards-grid, .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  .nav-burger { display: flex; flex-direction: column; justify-content: space-between; width: 28px; height: 20px; cursor: pointer; }
  .nav-burger span { display: block; height: 2px; width: 100%; background: var(--tinta); border-radius: 2px; transition: var(--transicao); }
  .main-nav { position: absolute; top: 78px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: #fff; border-bottom: 1px solid var(--linha); max-height: 0; overflow: hidden; transition: max-height .35s ease; }
  .main-nav a { padding: 16px 28px; border-top: 1px solid var(--linha); text-align: left; }
  .nav-cta { border-radius: 0; }
  .nav-toggle:checked ~ .main-nav { max-height: 420px; }
  .nav-toggle:checked ~ .nav-burger span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
  .nav-toggle:checked ~ .nav-burger span:nth-child(2) { opacity: 0; }
  .nav-toggle:checked ~ .nav-burger span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

  .steps, .cards-grid, .testimonials-grid { grid-template-columns: 1fr; }
  .card, .step, .testimonial { width: 94%; margin: 0 auto; }
  .footer-inner { flex-direction: column; text-align: center; gap: 24px; }
  .footer-tagline { margin: 8px auto 0; }
}
@media (max-width: 380px) { .container { padding: 0 18px; } }

/* ============================================================
   ADIÇÕES PARA PÁGINAS INTERNAS
============================================================ */

/* Link ativo no menu */
.main-nav a.active { color: var(--azul); }
.main-nav a.active:not(.nav-cta)::after { width: 100%; }

/* Cabeçalho de página interna (banner curto) */
.page-hero { padding: 84px 0 64px; background:
  radial-gradient(circle at 80% 20%, rgba(59,143,212,.10), transparent 55%), var(--gelo); border-bottom: 1px solid var(--linha); text-align: center; }
.page-hero .page-eyebrow { font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; color: var(--azul); font-weight: 700; margin-bottom: 14px; }
.page-hero h1 { font-family: var(--fonte-titulo); font-weight: 600; font-size: clamp(2.2rem, 5vw, 3.4rem); line-height: 1.12; color: var(--tinta); }
.page-hero p { font-size: 1.15rem; color: var(--corpo-suave); max-width: 620px; margin: 18px auto 0; }

/* ===== Galeria de portfólio ===== */
.portfolio-section { padding: 90px 0; }
.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.portfolio-item {
  position: relative; border-radius: var(--raio); overflow: hidden; border: 1px solid var(--linha);
  background: var(--gelo); aspect-ratio: 3 / 4; display: block;
  transition: transform var(--transicao), box-shadow var(--transicao);
}
.portfolio-item:hover { transform: translateY(-6px); box-shadow: 0 24px 44px -26px rgba(31,36,42,.5); }
.portfolio-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.portfolio-item:hover img { transform: scale(1.05); }
/* Placeholder enquanto não há foto real */
.portfolio-ph {
  width: 100%; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; color: #9aa6af; background: repeating-linear-gradient(45deg, #eef2f5, #eef2f5 12px, #e7edf1 12px, #e7edf1 24px);
  text-align: center; padding: 20px;
}
.portfolio-ph svg { width: 42px; height: 42px; opacity: .6; }
.portfolio-ph span { font-size: .82rem; font-weight: 600; letter-spacing: .04em; }
/* Legenda sobreposta */
.portfolio-caption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 20px 18px 16px;
  background: linear-gradient(to top, rgba(20,24,28,.82), transparent);
  color: #fff; opacity: 0; transform: translateY(8px); transition: opacity var(--transicao), transform var(--transicao);
}
.portfolio-item:hover .portfolio-caption { opacity: 1; transform: none; }
.portfolio-caption strong { display: block; font-family: var(--fonte-titulo); font-size: 1.05rem; }
.portfolio-caption span { font-size: .82rem; color: rgba(255,255,255,.8); }

/* ===== Formulário de contato ===== */
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact-info h2 { font-family: var(--fonte-titulo); font-weight: 600; font-size: clamp(1.7rem,3vw,2.4rem); color: var(--tinta); margin-bottom: 18px; }
.contact-info p { color: var(--corpo-suave); font-size: 1.08rem; margin-bottom: 28px; }
.contact-channels { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.contact-channels a { display: flex; align-items: center; gap: 12px; color: var(--tinta); font-weight: 500; transition: color var(--transicao); }
.contact-channels a:hover { color: var(--azul); }
.contact-channels svg { width: 22px; height: 22px; color: var(--azul); flex-shrink: 0; }

.contact-form { background: var(--gelo); border: 1px solid var(--linha); border-radius: var(--raio); padding: 36px 32px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: .88rem; font-weight: 600; color: var(--tinta); margin-bottom: 7px; }
.field input, .field textarea {
  width: 100%; padding: 13px 15px; font-family: inherit; font-size: 1rem; color: var(--tinta);
  background: #fff; border: 1px solid var(--linha); border-radius: 8px; transition: border-color var(--transicao), box-shadow var(--transicao);
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--azul); box-shadow: 0 0 0 3px rgba(59,143,212,.15); }
.field textarea { resize: vertical; min-height: 130px; }
.contact-form .btn-cta { width: 100%; justify-content: center; margin-top: 6px; }

@media (max-width: 980px) {
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 680px) {
  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-item { max-width: 360px; margin: 0 auto; width: 100%; }
}

/* ============================================================
   HERO COM IMAGEM EM LARGURA TOTAL (banner)
============================================================ */
/* Acessibilidade: esconde visualmente, mas mantém para leitores de tela e SEO */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.hero-banner { margin: 0 0 40px; border-radius: var(--raio); overflow: hidden; box-shadow: 0 30px 60px -34px rgba(31,36,42,.55); line-height: 0; }
.hero-banner img { width: 100%; height: auto; display: block; }

.hero-content.center { text-align: center; max-width: 820px; margin: 0 auto; }
.hero-actions.center { justify-content: center; }

/* ============================================================
   PORTFÓLIO — selo "Ver amostra" no hover da capa
============================================================ */
.portfolio-badge {
  position: absolute; top: 14px; right: 14px; z-index: 2;
  background: rgba(59,143,212,.95); color: #fff;
  font-size: .76rem; font-weight: 600; letter-spacing: .02em;
  padding: 7px 12px; border-radius: 50px;
  display: inline-flex; align-items: center; gap: 6px;
  opacity: 0; transform: translateY(-6px);
  transition: opacity var(--transicao), transform var(--transicao);
  pointer-events: none;
}
.portfolio-item:hover .portfolio-badge { opacity: 1; transform: none; }
/* Ícone de PDF antes do texto do selo */
.portfolio-badge::before {
  content: ""; width: 13px; height: 13px; flex-shrink: 0;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z'/%3E%3Cpath d='M14 2v6h6'/%3E%3C/svg%3E") center/contain no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z'/%3E%3Cpath d='M14 2v6h6'/%3E%3C/svg%3E") center/contain no-repeat;
}
/* No mobile o hover não existe: mostra o selo sempre */
@media (hover: none) {
  .portfolio-badge { opacity: 1; transform: none; }
}

/* Centraliza a última linha do grid quando sobra item ímpar */
.portfolio-grid { justify-content: center; }
.portfolio-item { max-width: 360px; }

/* Utilitário genérico de centralização (page-hero, CTAs avulsos) */
.center { text-align: center; }

/* ============================================================
   Logo no cabeçalho (imagem substituindo o texto da marca)
============================================================ */
.brand { display: inline-flex; align-items: center; line-height: 0; }
.brand-logo { height: 40px; width: auto; display: block; }
@media (max-width: 600px) {
  .brand-logo { height: 34px; }
}